Study of collective flows of protons and $$ \pi^{{-}}_{}$$ π - -mesons in p+C, Ta and He+Li, C collisions at momenta of 4.2, 4.5 and 10 AGeV/c
Abstract
Collective flows of protons and $$\pi^{-}$$ -mesons are studied at the momenta of 4.2, 4.5 and 10AGeV/c for p+C, Ta and He+Li, C interactions. The data were obtained from the streamer chamber (SKM-200-GIBS) and from the Propane Bubble Chamber (PBC-500) systems utilized at JINR. A method of Danielewicz and Odyniec has been employed in determining a directed transverse flow of particles. The values of the transverse flow parameter and the strength of the anisotropic emission were defined for each interacting nuclear pair. It is found that the directed flows of protons and pions decrease with increasing the energy and the mass numbers of colliding nucleus pairs. The $$ \pi^{{-}}_{}$$ -meson and proton flows exhibit opposite directions in all studied interactions, and the flows of protons are directed in the reaction plane. Lastly, the Ultra-relativistic Quantum Molecular Dynamical Model (UrQMD) coupled with the Statistical Multi-fragmentation Model (SMM), satisfactorily describes the obtained experimental results.
- Authors:
-
- Tbilisi State Univ., Tbilisi (Georgia). High Energy Physics Inst.
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation). Veksler and Baldin Lab. of High Energy Physics
- Mongolian Academy of Sciences, Ulan Bator (Mongolia). Inst. of Physics and Technology
- Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation). Lab. of Information Technologies
- Publication Date:
- Research Org.:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1367909
- Report Number(s):
- FERMILAB-PUB-16-698-TD; arXiv:1602.04029
Journal ID: ISSN 1434-6001; 1421433
- Grant/Contract Number:
- AC02-07CH11359; DI/38/6-200/13
- Resource Type:
- Accepted Manuscript
- Journal Name:
- European Physical Journal. A
- Additional Journal Information:
- Journal Volume: 52; Journal Issue: 11; Journal ID: ISSN 1434-6001
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Chkhaidze, L., Chlachidze, G., Djobava, T., Galoyan, A., Kharkhelauri, L., Togoo, R., and Uzhinsky, V. Study of collective flows of protons and $ \pi^{{-}}_{}$ π - -mesons in p+C, Ta and He+Li, C collisions at momenta of 4.2, 4.5 and 10 AGeV/c. United States: N. p., 2016.
Web. doi:10.1140/epja/i2016-16351-3.
Chkhaidze, L., Chlachidze, G., Djobava, T., Galoyan, A., Kharkhelauri, L., Togoo, R., & Uzhinsky, V. Study of collective flows of protons and $ \pi^{{-}}_{}$ π - -mesons in p+C, Ta and He+Li, C collisions at momenta of 4.2, 4.5 and 10 AGeV/c. United States. https://doi.org/10.1140/epja/i2016-16351-3
Chkhaidze, L., Chlachidze, G., Djobava, T., Galoyan, A., Kharkhelauri, L., Togoo, R., and Uzhinsky, V. Tue .
"Study of collective flows of protons and $ \pi^{{-}}_{}$ π - -mesons in p+C, Ta and He+Li, C collisions at momenta of 4.2, 4.5 and 10 AGeV/c". United States. https://doi.org/10.1140/epja/i2016-16351-3. https://www.osti.gov/servlets/purl/1367909.
@article{osti_1367909,
title = {Study of collective flows of protons and $ \pi^{{-}}_{}$ π - -mesons in p+C, Ta and He+Li, C collisions at momenta of 4.2, 4.5 and 10 AGeV/c},
author = {Chkhaidze, L. and Chlachidze, G. and Djobava, T. and Galoyan, A. and Kharkhelauri, L. and Togoo, R. and Uzhinsky, V.},
abstractNote = {Collective flows of protons and $\pi^{-}$ -mesons are studied at the momenta of 4.2, 4.5 and 10AGeV/c for p+C, Ta and He+Li, C interactions. The data were obtained from the streamer chamber (SKM-200-GIBS) and from the Propane Bubble Chamber (PBC-500) systems utilized at JINR. A method of Danielewicz and Odyniec has been employed in determining a directed transverse flow of particles. The values of the transverse flow parameter and the strength of the anisotropic emission were defined for each interacting nuclear pair. It is found that the directed flows of protons and pions decrease with increasing the energy and the mass numbers of colliding nucleus pairs. The $ \pi^{{-}}_{}$ -meson and proton flows exhibit opposite directions in all studied interactions, and the flows of protons are directed in the reaction plane. Lastly, the Ultra-relativistic Quantum Molecular Dynamical Model (UrQMD) coupled with the Statistical Multi-fragmentation Model (SMM), satisfactorily describes the obtained experimental results.},
doi = {10.1140/epja/i2016-16351-3},
journal = {European Physical Journal. A},
number = 11,
volume = 52,
place = {United States},
year = {Tue Nov 01 00:00:00 EDT 2016},
month = {Tue Nov 01 00:00:00 EDT 2016}
}
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